Choosing and Using Permanent Luting Cements - Vision Dental ...

6. Dual-Cured Cement: A cement that consists of two components, typically a base and
catalyst. The cement is versatile because it contains both the photoinitator for light-curing
and the chemicals for self-curing. Once mixed, the cement can be polymerized by light
exposure or allowed to set on it’s own via the self-curing mechanism. This allows for
versatility of use with the cement, however, these cements may not be as color stable as
a light-cured only cement.
7. Ceramic Primer: A primer comprised of a silane coupling agent that allows the acrylate
components of a cement to chemically bond to the glass components of a ceramic
material.
8. Metal Primer: A primer that allows the acrylate components of a cement to chemically
bond to a metal surface.
9. Hydrofluoric Acid: A strong acid that will etch or dissolve the glass components on the
surface of a ceramic leaving a microporous surface for the cement to flow into resulting in
a micromechanical bond between the cement and the ceramic.
10. Phosphoric Acid: An acid that is typically used on the tooth to demineralize the dentin
and enamel surfaces, allowing the penetration of the adhesive resins. Phosphoric acid is
not strong enough to etch the glass ceramic materials. It is, however, a good material to
use for cleaning the bonding surfaces of the restoration after try-in to remove any
contaminants such as blood, saliva, and oils.
11. Self-Etching Primer: An acidic-based primer that allows a standard composite-resin
cement to adhere to tooth structure. The self-etching primers avoid the use of etchants
and adhesives and provide for a faster procedure with reduced potential for sensitivity.
These primers are available in products such as Panavia F (Kurary) and MultiLink ®
(Ivoclar).
12. Self-Adhesive Cement: A cement that contains an acidified methacrylate that allows for
self-adhesion or self-etching of the cement to tooth structure without the use of an
etchant and adhesive or a self-etching primer. This allows for a faster procedure with
reduced potential for sensitivity. RelyX Unicem (3M ESPE) is an example of a selfetching
cement system.
References
1
Mosby’s Dental Dictionary, Zwemer TJ editor, 1998.
2
Ames WB. A new oxyphosphate for crown seating. Dent Cosmos 1892;34:392–3.
3
Diaz-Arnold AM, Vargas MA, Haselton, DR. Current status of luting agents for fixed proshtodontics.
J Prosthetic Dent 1999;81(2):135–41.
4
Rosentritt M, Behr M, Lang R, Handel G. Influence of cement type on the marginal adaptation of
all-ceramic MOD inlays. Dent Mater 2004;20:463–9.
5
Compomer cements, introduced with much promise in the mid-1990s, never achieved market shares
above about 2%–3%, and currently have market shares less than 1%.
6
Strategic Dental Marketing.
7
Miller MB. Reality 2004;18:767–86.
8
Leevailoj C, Platt JA, Cochran MA, Moore BK “In vitro study of fracture incidence and compressive
fracture load of all ceramic crowns cemented with resin-modified glass ionomers and other luting
agents. J Prosthet Dent 1998; 80:699-707.
9
Mitra SB, Kedrowski BL “Multi-cured hybrid cements based on polyalkenoates and ion-leachable
glasses.” ACS Polymer Preprints 1997; 38(2):129-30.
10
Materials of this type include Lava , Cercon , Procera .
11
Christensen G, “Ask Dr. Christensen,” Dent Today 2004;Apr 94(4):150–2.
12
“Self-Etching Primer Dual-Cure Resin Cement” CRA First Look, RelyX Unicem Cement,
CRA Newsletter 2003. Vol. 27, Issue 9, Sept.
13
“1 year Clinical Recall, RelyX Unicem Cement” The Dental Advisor 2004. March; 2004 Vol. 21,
Number 2,
14
RelyX Unicem cement is indicated for virtually all indirect restorations except veneers.
15
Nguyen TT, Qian X, Tobia D “Mechanical properties of self-adhesive cements” IADR Abstract #0514.
16
Silane coupling agents can react chemically with residual SiO groups in glassy materials and some
ceramic filled composite restorations. They do not increase adhesion in glass-free materials such as
Procera or Lava.
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